To cite package ‘ggpca’ in publications use:

  Li Y (2024). _ggpca: Publication-Ready PCA, t-SNE, and UMAP Plots_. R
  package version 0.1.2, <https://CRAN.R-project.org/package=ggpca>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggpca: Publication-Ready PCA, t-SNE, and UMAP Plots},
    author = {Yaoxiang Li},
    year = {2024},
    note = {R package version 0.1.2},
    url = {https://CRAN.R-project.org/package=ggpca},
  }